149749124 has 24 divisors (see below), whose sum is σ = 317116800. Its totient is φ = 60402816.

The previous prime is 149749123. The next prime is 149749147. The reversal of 149749124 is 421947941.

It is not an unprimeable number, because it can be changed into a prime (149749121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156824 + ... + 157775.

It is an arithmetic number, because the mean of its divisors is an integer number (13213200).

Almost surely, 2^149749124 is an apocalyptic number.

149749124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149749124 is an abundant number, since it is smaller than the sum of its proper divisors (167367676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149749124 is a wasteful number, since it uses less digits than its factorization.

149749124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314627 (or 314625 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 149749124 is about 12237.2024580784. The cubic root of 149749124 is about 531.0329020390.

The spelling of 149749124 in words is "one hundred forty-nine million, seven hundred forty-nine thousand, one hundred twenty-four".